Why does it say PRS1 460 in your profile? What CPAP machine do you actually have currently?
Where are you going to get the M series machine, and what model is it?
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If it's midnight and a DME tells you it's dark outside, go and check it yourself.
I am unsure of the model. It has a data card slot which I suppose could be non functioning. I thought the machine was more up-to-date. Spotlessly clean, new filter and humidifier tank, Craigslist $80. I keep my eye out for a better solution.
Trying C flex for the first time. I don't car for it; maybe I am acclimated to a constant pressure.
I have and use the model that preceeded the M Series and it uses encore pro with an Infineer Card Reader. The drivers are available on-line. The cards come with the machine but are also available at some internet suppliers and probably by Infineer. Infineer has a website but if you have other questions I can probably find the answer. The M series for $80.00 sounds like a good deal. If you want to get a newer model later it will still be a good backup machine. The problem is my machines never seem to die so I just keep using them even after newer models come out.